1. 
   Usac
   United States Atlantic Coast (Acronym).
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   USAC
   US Atlantic Coast
   Found op http://www.encyclo.co.uk/local/21049
   
   
3. 
   USAC
   U.S. Advisory Committee for Scientific Ocean Drilling
   Found op http://www.iodp.org/acronyms/
   
   
4. 
   USAC
   [disambiguation] This was formerly uploaded in GIF format by W. ...
   Found op http://en.wikipedia.org/wiki/USAC_(disambiguation)
   
   
5. 
   usac
   1) United states atlantic coast
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/usac/1
   
   

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